查询词典 lack of

Anencephaly, the single most common open neural tube defect, is characterized by the absence of the cerebral hemispheres and the lack of bony calarium aboe the orbits Fig.

无脑畸形，最常见的单一的开放性神经管缺损，其特点是无大脑半球且没有眼眶以上的骨性颅盖（图10-37A-B和图10-37C）。胎儿有正常的中脑和后颅窝，但大脑半球未正常发育。

The lack of antigen-presenting cell activity of CB MNCs in primary mixed lymphocyte culture did not induce allogeneic T cell anergy.

缺乏抗原提呈细胞活性的脐带血单个核细胞在初级混合淋巴细胞培养下不能诱导同种异体反应T细胞的无反应性。

The Siberia province is characterized by great development of Syringothwts, but lack of Gigantoproductus and less development of corals and plants, belonging to Angara flora.

西伯利业省以管孔贝大量发育为特征，缺少大长身贝类，珊瑚不甚发育，植物少见，为安加拉植物群；

The steel self-supporting mast with the merits of environmental protection, easy decoration, small occupation, high safety factor, and high cost performance, has replaced the concrete mast and the angle iron push brace mast because of the urban renewal, the environment protection, the lack of arable land, the popularization of agricultural mechanization, the acid rain, and so on.

城市改造及环境保护、土地资源乏匮、农业机械化推广等诸多外部条件也迫使受酸雨而易老化、表面装饰性能差的混凝土杆及占用宝贵的土地资源多，妨碍农业机械化使用的角铁衍行架杆塔朝着有利环保、易装饰美化、占地少、安全系数高、性能价格比高的钢制自立杆更新换代。

One of the main privacy problems in Internet is lack of anonymity.

Internet隐私的一个主要问题是缺乏匿名保护。

Both of the phenomena indicate that in classroom teaching teachers carry out much of the talk while students don't show much of the active participation; 2 in carrying out speech acts, the Question and Answer Mode (No.4 and 8 Act) is rather monotonous, and the Creative Inquiry Mode of the T-S Speech Interaction in classroom teaching seldom occurs; there does exist plenty of interaction in primary school classes, however, much of this is sponsored and maintained by teachers, while the students, participating in a passive way(No.8), are lack of initiation and creative thinking(No.9 Act).

这两种现象说明了同一个问题，即课堂上教师直接施加的影响较多而学生主动积极的参与较少。2、实施言语行为互动的模式多为"问与答模式"（序对4、8），相对单一，而"创造性询答模式"在课堂教学师生互动中很少出现；在小学英语课堂教学中确实存在大量的互动，但往往由教师发起并维持(第4类行为：教师提问)，学生只是被动参与（第8类行为：学生话语—教师驱动），缺乏主动性及创造性思维（第9类行为：学生话语—学生主动）。

A high level of copper and zinc are antagonism, and leads to a lack of zinc.

高水平的铜与锌有拮抗作用，并会导致锌的缺乏。

The analyses of this paper pointed out two antecedents of the lack of educational research data in Taiwan.

另外，本文也从社会价值观和教育行政制度两个层面，分析说明了台湾地区教育研究资料缺乏的可能原因。

Several critics found the lack of an anthropomorphic point of view hurt the book's relevance.

一些批评家认为缺乏人性观点削弱了该书的关联性。

The basic deformity is a lack of development of the antihelix.

主要的畸形为对耳轮未发育。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。